//
//  UILabel+Extension.swift
//  SinaWeibo
//
//  Created by 周小伟 on 16/8/24.
//  Copyright © 2016年 周小伟. All rights reserved.
//

import UIKit

extension UILabel{
    convenience init(title:String,size:CGFloat,color:UIColor,margin:CGFloat = 0){
        self.init()
        text = title
        textAlignment = NSTextAlignment.Center
        font = UIFont.systemFontOfSize(size)
        textColor = color
        numberOfLines = 0
        if margin != 0{
            preferredMaxLayoutWidth = screenW - 2 * margin
            textAlignment = .Left
        }
        sizeToFit()
    }
}
